API Adds Viscosity Grades to Service Category SP

Sept. 27, 2023
The American Petroleum Institute has added SAE 0W-8 and SAE 0W-12 viscosity grades to API Service Category SP.

The American Petroleum Institute (API) has added SAE 0W-8 and SAE 0W-12 viscosity grades into API Service Category SP, according to a press release.

API Service Category SP is the most current gasoline engine oil category currently available. The addition of the two viscosity grades is meant to help establish licensing requirements, aftermarket conformance, and enforcement procedures for these viscosity grades globally.

The API 1509 Engine Oil Licensing and Certification System–API’s standard for how Engine Oil Service Categories and Quality Marks are licensed and displayed–will be updated with more information on the September 19 passing ballot.

SAE 0W-8 and SAE 0W-12 are viscosity grades that are currently being recommended by some global original equipment manufacturers (OEMs). The addition of them to API Service Category SP allows those OEMs to recommend API-licensed engine oils and helps consumers easily access them.

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